AQA GCSE Biology · 8461
Specification 4.1.1.3, 4.2.1, 4.8 · Paper 1, Paper 2
Revise: Cell SpecialisationSimilar cells working together form a tissue; different tissues form an organ; and organs working together form an organ system. Heart muscle cells, for instance, form part of the muscle tissue in the heart. Their contractions help the heart pump blood around the circulatory system, benefiting the whole organism.
- Revise: Organisational Principles
A group of organs working together to perform one or more major functions in an organism.
- Revise: Molecular Structure and Cellular Organization
A group of organs working together to carry out a major function of an organism.